799924700

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{9791}}^1$

素因数の和:9867

約数の個数: 72

約数和(自身を含む): 1869880320

約数和(自身を除く): 1069955620

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 43, 50, 76, 86, 95, 100, 172, 190, 215, 380, 430, 475, 817, 860, 950, 1075, 1634, 1900, 2150, 3268, 4085, 4300, 8170, 9791, 16340, 19582, 20425, 39164, 40850, 48955, 81700, 97910, 186029, 195820, 244775, 372058, 421013, 489550, 744116, 842026, 930145, 979100, 1684052, 1860290, 2105065, 3720580, 4210130, 4650725, 7999247, 8420260, 9301450, 10525325, 15998494, 18602900, 21050650, 31996988, 39996235, 42101300, 79992470, 159984940, 199981175, 399962350, 799924700]

約数ペア:

[(1, 799924700), (2, 399962350), (4, 199981175), (5, 159984940), (10, 79992470), (19, 42101300), (20, 39996235), (25, 31996988), (38, 21050650), (43, 18602900), (50, 15998494), (76, 10525325), (86, 9301450), (95, 8420260), (100, 7999247), (172, 4650725), (190, 4210130), (215, 3720580), (380, 2105065), (430, 1860290), (475, 1684052), (817, 979100), (860, 930145), (950, 842026), (1075, 744116), (1634, 489550), (1900, 421013), (2150, 372058), (3268, 244775), (4085, 195820), (4300, 186029), (8170, 97910), (9791, 81700), (16340, 48955), (19582, 40850), (20425, 39164)]